Public class Servlet1 extends HttpServlet{

Public void doGet(HttpServletRequest request,HttpServletResponse response)

Throws ServletException,IOException{

System.out.println("get");

}

Public void doPost(HttpServletRequest request,HttpServletResponse response)

Throws ServletException,IOException{

System.out.println("post");

第5章课后习题

<c:iftest=“true”>

true

</c:if>

<c:else test=“ false”>

false

</c:else>

对于上述代码片段说法正确的是(　　)

c out.isp:

<%--第1个 out 标签 --%>

userName1 属性的值为:

<c：out  value=”username1”  default="unknown" />

<%--第2个 out标签 --%>

userName2 属性的值为:

<c:out value-"username2">

unknown

</c:out>

当使用浏览器访问c_out.jsp时会什么结果()